CA442667A - Tete de foreuse automatique - Google Patents

Tete de foreuse automatique

Info

Publication number
CA442667A
CA442667A CA442667A CA442667DA CA442667A CA 442667 A CA442667 A CA 442667A CA 442667 A CA442667 A CA 442667A CA 442667D A CA442667D A CA 442667DA CA 442667 A CA442667 A CA 442667A
Authority
CA
Canada
Prior art keywords
drill head
automatic drill
automatic
head
drill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA442667A
Other languages
English (en)
Inventor
Smith Claus Philip
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EBER JOHN READMAN
Original Assignee
EBER JOHN READMAN
Publication date
Application granted granted Critical
Publication of CA442667A publication Critical patent/CA442667A/fr
Expired legal-status Critical Current

Links

CA442667A Tete de foreuse automatique Expired CA442667A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442667T

Publications (1)

Publication Number Publication Date
CA442667A true CA442667A (fr) 1947-07-01

Family

ID=35557894

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442667A Expired CA442667A (fr) Tete de foreuse automatique

Country Status (1)

Country Link
CA (1) CA442667A (fr)

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